EIP-1559, mempool transaction ordering, MEV

Transaction Ordering Explained: How Block Producers Sequence Blockchain Transactions

Blockchain networks determine the sequence of pending operations through transaction ordering, the process of selecting which transactions enter the next block and in which position. Block producers hold authority over sequence, and position affects execution price, liquidation outcomes and arbitrage profit. Validators on proof-of-stake networks and miners on proof-of-work networks select transactions from the mempool, ...